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20080724Dd_EL_087=_MG_5722-Rainbow_Lorikeets_pair-bonding-Brisbane_Australia_EL+PS.jpg
Rainbow Lorikeets pair bonding, Brisbane Australia   //   Rainbow Lorikeet - Psittacidae: Trichoglossus haematodus. Length to 30cm; wingspan to 45cm; weight to 150g; Found in northern and eastern Australia from the Kimberley Region in northern Western Australia (Red-collared Lorikeet subspecies) to eastern South Australia. Occurs in forests, woodlands, heath, and rural and urban areas. Aviary-escapees are established in many towns and cities. Widespread with many subspecies - often with a different name - from eastern Indonesia through New Guinea east to Vanuatu and New Caledonia, north to the Philippine Islands.   Some feathers change colour when a Rainbow Lorikeet changes is wet - the differences in colour types- either pigment-related or structure-related cause this. In the background lorikeet the colour of the nape green feathers is last to return after being caught in a rainstorm. The green colour of the the wings and back comes mainly from the micro-structures of the feather barbules that interfere with light wavelengths and change one colour to another -  when molecules of water in the rain fill in these micro-structures the green colour alters to brown. Pigment-based colours are not affected, unless they have both pigmented and structured attributes. When dry this bird will return to its normal gaudy plumage.  IUCN Status: Least Concern.   //Eric Lindgren//